Partially coherent beams and a generalized ABCD-law

The beam width and the angular spread of a partially coherent beam, and their transformation as the beam passes through Sp(2, R) first order optical systems are studied using the method of generalized rays. A generalized abcd-law which governs this transformation is derived. Kogelnik's abcd-law...

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Bibliographic Details
Published in:Optics communications 1988-03, Vol.65 (5), p.322-328
Main Authors: Simon, R., Mukunda, N., Sudarshan, E.C.G.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optics
Physics
Wave optics
Wave propagation, transmission and absorption
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Summary:The beam width and the angular spread of a partially coherent beam, and their transformation as the beam passes through Sp(2, R) first order optical systems are studied using the method of generalized rays. A generalized abcd-law which governs this transformation is derived. Kogelnik's abcd-law for coherent gaussian beams and its later generalization to gaussian Schell-model beams are shown to be special cases of this law.
ISSN:0030-4018
1873-0310
DOI:10.1016/0030-4018(88)90095-8